Fig. 6

Shade plot showing the distribution of density of the species (listed at the left) with the greatest contibution to the structure of the groups of sites not invaded by D. geminata in the studied basins (numbers above the graph). The left side of the figure show the clustering with the significant groups (dashed lines) identified by SIMPROF. Biobio River Basin (83), Tolten River Basin (94), Valdivia River Basin (101), Bueno River Basin (103), Puelo River Basin (105), Yelcho River Basin (107), Palena and coastal Rivers in the Southern Limit of the Tenth Region River Basin (110), Coastal and Island Rivers Between Palena River and Aysen River Basins (111), Aysen River Basin (113), Baker River Basin (115), Coastal Rivers Between Seno Andrew and Hollemberg River and Rivers to the East River Basins (122), and Tierra del Fuego (128)